2. However, using Occam's Razor the most likely explanation is Chandra Levy was the victim of a deranged predator. Perhaps she put up a tremendous struggle and he either stabbed her or strangled her to stop her from struggling or screaming. During his later attacks he may have purposely refrained from killing in an attempt to divorce himself from the Levy killing since he knew that should he be caught the body was close by. According to the police, NO BLOOD on her clothes. If you are stabbed, you bleed, right?